110 PROCEEDINGS OF THE ACADEMY OF [Feb., 



Paropomala DISSIMILIS (p. 41). 



Based on a single female from Southern California or Northern 

 Mexico; Gustav Eisen. 



Papagoa arizonensis (p. 42). 



Described from a unique male from Southern California or North- 

 ern Mexico; G. W. Dunn. 



Syrbula pactfica (pp. 43, 44). 



Based on two females from the same locality. 



Single type here designated: 9 ; Tepic, Mexico; Eisen. 



Syrbula modesta (pp. 44, 46). 



Based on two pairs from a single locality. 



Single type here designated : c? ; Grand Canon of the Colorado 

 River, Arizona, [July 9, 1892] 27 ; C. H. T. Townsend. 



Acrolophitus variegatus (pp. 47, 48) Tab. I, fig. 3. 



Based on an unspecified number of individuals from two localities. 

 Single type here designated : figured cf ; Carrizo Springs, Dimmit 

 County, Texas, [June, 1885]; A. Wadgymar. 



Acrolophitus uniformis (p. 47). 



Described from an unspecified number of specimens from various 

 localities. 



Single type here designated: 9 ; [Sterling, Colorado, July]. 



Mach^erocera pacifica (pp. 49, 51). 



Based on numerous specimens of both sexes from one locality. 



Single type here designated : cf ; Tepic, Mexico, not far from San 

 Bias on Pacific Slope; Eisen. 



SlLVITETTIX COMMUNIS (p. 56). 



Based on numerous specimens from three localities. 

 Single type here designated: cf ; Monte Redondo, Costa Rica, 

 March, [1902]; Professor Lawrence Bruner. 



Ochrotettix salinus (p. 56) Tab. I, figs. 4, 4a. 



Described from an unspecified number of individuals from a single 

 locality. 



27 In the present paper all authentic informatkn given, which was not con- 

 tained in the original description, is enclosed in brackets. 



